110 Front Brake rebuild - Defender Source
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  #1  
Old October 3rd, 2016, 04:39 PM
seaswood
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110 Front Brake rebuild

1984 110 PU front brake calipers, the caliper on the right you can see the pistons emerging.
On the Left on the top of photo that piston does not want to move & I have been penetrating oil, blaster for some time now.
It is holding up 110 front end but not planning on giving up here.
How much heat can I apply to the caliper or is that a good idea?

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  #2  
Old October 3rd, 2016, 05:24 PM
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Time for new calipers or rebuild those.
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  #3  
Old October 3rd, 2016, 05:57 PM
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I take it you are using a air compressor and blowing them out? not sure about using heat never had to do that, as if air will not pop um out their nackered.

you can also use brake pressure but it gets messy.
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  #4  
Old October 3rd, 2016, 06:33 PM
seaswood
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Yes using Air one I am almost there the other?
A friend could weld to the pistons I believe to assist removal.
Seems I may do that next.
Buying new would just be too easy!
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  #5  
Old December 13th, 2016, 12:59 PM
seaswood
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Finally after reinstalling on truck they did move.
A bit of dirt & some work to clean things.


There is a Oring actually two that are seals in between the two halves.
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Old January 3rd, 2017, 04:54 PM
seaswood
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Seals

After much ado about getting Pistons out.
& inside seals were fine it is those outside seals & keepers.
Thin metal required right seal installer to fit properly without bending the keepers.
Now ready for new Pistons & bolt back together.y

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  #7  
Old January 5th, 2017, 04:38 PM
seaswood
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One caliper done another to go, second one appeared to have SS pistons but after using water pump players to remove them probably replace also.
Two Oring's are very important to save for rebuilding.

c
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  #8  
Old January 5th, 2017, 05:01 PM
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Do you plan to re-use the old pistons?
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Old January 5th, 2017, 08:57 PM
seaswood
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Pistons

One side had original Pistons or old rusty the other had shines SS. I may of marred those pulling them out. Will check in morning.
But the second picture above shows a new piston, I bought new Piston,s seals, keepers, hoses & the hard lines were gone so those also so they will be all new parts.with Pistons.
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  #10  
Old March 3rd, 2017, 04:48 PM
seaswood
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110 caliper

These have taken a while but well worth the trouble.
Went to see a. Friend whom helped to do head on engine he reccomended 54-50 lbs for torque on bolts.


The seals in the clamshell are available as a MGB part Moss 180-285 1.19$ seal caliper.
Likely the seals & pistons are the same also.
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  #11  
Old March 9th, 2017, 02:47 PM
seaswood
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The caliper's are back on the swivels ;3247-8820 & 3247-8810 as well as I can read those #'s
But which goes which side is there any clear way to tell.
Looking at L & R 110 caliper's on Paddock I might have them backwards.
20 is on left 10 is on R side.
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